Control: tags -1 - moreinfo On Thu, Jan 25, 2018 at 07:39:27PM +0100, Julien Cristau wrote: > Control: severity -1 normal > Control: tag -1 moreinfo > > On Thu, Jan 25, 2018 at 14:11:49 +0200, Adrian Bunk wrote: > > > Package: libmpfr6 > > Version: 4.0.0-5 > > Severity: serious > > > > Mixing libmpfr4 and libmpfr6 doesn't work well: > > > > flint-arb FTBFS with: > > /usr/bin/ld: warning: libmpfr.so.4, needed by /usr/lib/libflint.so, may > > conflict with libmpfr.so.6 > > /usr/bin/ld: mpfr_free_func: TLS definition in > > //usr/lib/x86_64-linux-gnu/libmpfr.so.4 section .tbss mismatches non-TLS > > definition in > > /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/libmpfr.so > > section .text > > //usr/lib/x86_64-linux-gnu/libmpfr.so.4: error adding symbols: Bad value > > collect2: error: ld returned 1 exit status > > > > Some packages like fractalnow FTBFS when gcc and libmpc3 use > > different mpfr libraries, with a gcc ICE: > > ../../src/init2.c:52: MPFR assertion failed: p >= 2 && p <= > > ((mpfr_prec_t)((mpfr_uprec_t)(~(mpfr_uprec_t)0)>>1)) > > src/fractal_compute_engine.c: In function > > 'FractalLoopMANDELBROTPINTAVERAGECOLORINGDISCRETECURVATURENONESINGLE': > > src/fractal_compute_engine.c:285:1: internal compiler error: Aborted > > > > It is not even obvious in the latter case that this is always only an ICE, > > and not sometimes a miscompilation. > > > > The libmpc3 issue is also expected to hit users who have older gcc versions > > still installed, e.g. gcc-6 still installed after stretch->buster upgrade. > > > > When the dependencies are fulfilled users can expect to have working > > software, > > even a forced removal on stretch->buster upgrades is better than runtime > > problems. > > Is this actually a problem between libmpfr4 and libmpfr6, or libmpfr4 > and the new libmpfr-dev? >...
This is a problem between libmpfr4 and libmpfr6. libmpfr-dev is not installed when gcc ICEs building mathgl.[1,2] > Cheers, > Julien cu Adrian [1] https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/mathgl.html [2] reproducible uses a slightly patched gcc, but I've reproduced this FTBFS with the normal (older libmpfr4-using) gcc -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed
